# MICS-4514 (Component)
## Description
MICS-4514 Gas Sensor Board with ESP32, 16-bit I2C ADC, PWM Heater Control, and RC-Filtered Outputs
## Component Details
- **Owner:** jecstronic
- **Created:** 12/7/2023
- **Last Updated:** 12/7/2023
- **Visibility:** Public
- **System Architecture:** flowchart TD
VIN["Power Input"]
LDO["3.3V LDO Regulator"]
ESP32["ESP32 MCU"]
ADC["16-bit I2C ADC"]
Sensor["MICS-4514 Sensor"]
MOSFET["MOSFET Heater Switch"]
RC_OX["RC Filter RS_OX"]
RC_RED["RC Filter RS_RED"]
VIN --> LDO
LDO --> ESP32
LDO --> ADC
ESP32 -->|I2C SDA/SCL| ADC
VIN --> MOSFET
ESP32 -->|PWM| MOSFET
MOSFET -->|Heater| Sensor
Sensor -->|RS_OX| RC_OX
RC_OX --> ADC
Sensor -->|RS_RED| RC_RED
RC_RED --> ADC
- **Domain:** Scientific
- **Software:** Arduino
- **Manufacturer Name:** Amphenol SGX Sensortech
- **Power Requirements:** USB
- **Datasheet URL:** https://www.sgxsensortech.com/content/uploads/2014/08/0278_Datasheet-MiCS-4514-rev-16.pdf
- **Connectivity:** WiFi
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Manufacturer Part Number:** MICS-4514
- **Part Type:** Sensor
- **Used in:** 37 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/mics-4514/amphenol.html?utm_currency=USD®ion=nac) | $12.853 | 0 |
| [Digi-Key](https://www.digikey.com/en/products/detail/amphenol-sgx-sensortech/MICS-4514/15816409) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C3659364.html) | $22.9872 | 8 |
| [Mouser](https://www.mouser.com/ProductDetail/Amphenol-SGX-Sensortech/MICS-4514?qs=YCa%2FAAYMW0137ZWFFytKcQ%3D%3D) | $9.64 | 204 |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=MICS-4514) | N/A | N/A |
| [Verical](https://www.verical.com/pd/sgx-sensortech-china-limited-air-quality-sensor-MICS-4514-12223772?utm_currency=USD) | N/A | N/A |
- **Part Type:** Sensors
- **MPN:** MICS-4514
- **Pin Count:** 8
## Pins
| Pin | Name | Type |
|-----|------|------|
| A | RH1_OX | |
| B | RS1_OX | |
| C | RH1_RED | |
| D | RS1_RED | |
| F | RH2_RED | |
| G | RS2_RED | |
| H | RH2_OX | |
| J | RS2_OX | |
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*Generated from [https://www.flux.ai/jecstronic/mics-4514](https://www.flux.ai/jecstronic/mics-4514)*